Hi all engine guys.
I have recently changed my cylinder head on my OMC V8 5L small block 1988
The reason to this change was cylinder 7 who had a low compression (6.5bar)
Cylinder 1-3-5 was (9.5-10 bar)
Now can anyone help me to understand what the removed cylinder head are trying to tell me.
By...
Can someone please help!!!
I have to OMC cylinder heads on the table
they should both be for a 5L omc small block 305
they both have the number stamped into them 14102187
but one have GM1 and the other one have GM2 stamped into it
what is the diffrence on these head, will they both fit on my omc...